From the article:
If you wish to view/update any of your personal info connected to your Intuit accounts, such as name, user ID, email address, password and phone number, the most efficient and secure way to do this is by logging directly into you Intuit account.

From the article:
What you may be experiencing: When attempting to swipe a credit card transaction using a Magtek card reader, clicking the swipe card button prompts to connect to card reader but continually shows Connecting....when using QuickBooks Desktop 2018 in a